Home / 773,103,415.04-1,066,873,744.69-420,673,333.63

Finding the Fourth Proportional to 773,103,415.04, 1,066,873,744.69 and 420,673,333.63

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Solution

The fourth proportional to 773,103,415.04, 1,066,873,744.69 and 420,673,333.63 is: 580,524,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,103,415.04 : 1,066,873,744.69 = 420,673,333.63 : x
  2. Step 2: Convert to fraction form
    773,103,415.04/1,066,873,744.69 = 420,673,333.63/x
  3. Step 3: Cross multiply
    773,103,415.04x = 1,066,873,744.69 × 420,673,333.63
  4. Step 4: Simplify right side
    773,103,415.04x = 448,805,334,745,903,488
  5. Step 5: Solve for x
    x = 448,805,334,745,903,488/773,103,415.04
  6. Step 6: Final answer
    x = 580,524,320.57

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.